A digital flux injector operated with a 317-MHz NMR magnet

IEEE Transactions on Applied Superconductivity

Volumn 17, Issue 2, 2007, Pages 1450-1453

  Yao, Weijun ^a   Kim, Woo Seok ^a   Hahn, Seungyong ^a   Bascunan J ^a   Lee, Hai Gun ^b   Iwasa, Yukikazu ^a  

^a MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

^b Economics and Policy Program   (South Korea)

Author keywords

Flux transformer; HTS LTS magnet; NMR magnet; Persistent mode

Indexed keywords

ELECTRIC TRANSFORMERS; MAGNETIC FLUX; NATURAL FREQUENCIES; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; SUPERCONDUCTING MAGNETS;

FLUX TRANSFORMERS; NMR MAGNETS; OPERATING FREQUENCY; PERSISTENT MODES;

PARTICLE BEAM INJECTION;

EID: 34547433127     PISSN: 10518223     EISSN: None     Source Type: Journal    
DOI: 10.1109/TASC.2007.898025     Document Type: Conference Paper

References (7)

1. J. Bascuñán, E. S. Bobrov, S. Hahn, W. Kim, and Y. Iwasa, in An LTS/HTS NMR Magnet Operated in the Range 600-700 MHz, in this proceeding.
2. Y. Iwasa, "Microampere flux pumps for superconducting NMR magnets. Part 1: Basic concept and microtesla flux measurement," Cryogenics, vol. 41, p. 385, 2001.
3. S. Jeong, H. Lee, and Y. Iwasa, "Superconducting flux pump for high-temperature superconducting insert coils of NMR magnets," Adv Cryogenic Engr., vol. 47, p. 441, 2002.
4. H. Lee, H. M. Kim, and Y. Iwasa, "A flux pump for NMR magnets," IEEE Trans Appl. Superconduc., vol. 13, p. 1640, 2002.
5. R. Mai, S. Y. Hahn, H. Lee, J. Bascuñán, and Y. Iwasa, "A digital flux injector for NMR magnets," IEEE Trans Appl. Superconduc., vol. 15, p. 2348, 2005.
6. J. E. C. Williams, L. J. Neuringer, E. Bobrov, R. Weggel, D. J. Ruben, and W. G. Harrison, "Magnet system of the 500 MHz NMR spectrometer at the Francis Bitter National Magnet Laboratory: I. Design and development of the magnet," Rev. Sci. Instrum., vol. 52, p. 649, 1981.
7. Magma-1200 Magnetometer. Billerica, MA: Resonance Research, Inc.